Merge pull request #1662 from dauwhe/issue-1087

remove requirement to support SVG requiredExtensions attribute per #1087

epub33/core/index.html

@@ -3969,11 +3969,6 @@ <h4>Restrictions on SVG</h4>
 										that conforms to the XHTML Content Document model defined in <a
 											href="#sec-xhtml-req"></a>.</p>
 								</li>
-								<li>
-									<p id="confreq-svg-foreignObject-reqext">MUST have its
-											<code>requiredExtensions</code> attribute, when set, specify the value
-											"<code>http://www.idpf.org/2007/ops</code>".</p>
-								</li>
 							</ul>
 						</li>
 						<li>
@@ -9445,6 +9440,8 @@ <h3>Substantive changes since <a href="https://www.w3.org/publishing/epub/epub-s
 					3.2</a></h3>
 
 				<ul>
+					<li>04-May-2021: Removed requirements around SVG <code>requiredExtensions</code> attribute. See 
+						<a href="https://github.com/w3c/epub-specs/issues/1087">issue 1087</a>.</li>
 					<li>26-Mar-2021: Removed requirement for page list ordering to reflect the order of page breaks in
 						the content. See <a href="https://github.com/w3c/epub-specs/issues/1500">issue 1500</a>.</li>
 					<li>26-Mar-2021: Allowed <code>creator</code> and <code>contributor</code> elements to have multiple

epub33/rs/index.html

@@ -669,13 +669,6 @@ <h3>SVG Content Documents</h3>
 						<p id="confreq-svg-rs-text">SHOULD support user selection and searching of text within SVG
 							elements.</p>
 					</li>
-					<li>
-						<p id="confreq-svg-rs-reqdExt">MUST recognize the value
-								"<code>http://www.idpf.org/2007/ops</code>" of the <code>requiredExtensions</code>
-							attribute as representing the occurrence of XHTML Content Document fragments (e.g., when an
-							EPUB Creator includes the attribute on a <code>foreignObject</code> element or children of
-							the <code>switch</code> element).</p>
-					</li>
 				</ul>
 			</section>